York County Major William King said Friday that charges will be filed against Jesse James Seward, 28, of Biddeford.

Seward, who was in jail on weapons charges, is accused of assaulting Sgt. Jill Brooks after refusing to return to his cell on Tuesday.

Seward struggled with authorities when they tried to get him back into the cell, according to police, and during the ensuing struggle, the inmate and Brooks fell to the ground. Brooks hit her head and lost consciousness momentarily, according to police.

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The inmate eventually cooperated and returned to his cell, and was uninjured in the scuffle. Brooks was taken to Goodall Hospital in Sanford, where she was treated and released.

King said Seward is facing the assault charge because he assaulted Brooks and caused her bodily injury while she was on duty.